Charged more than 1700$ for subscription I never USED!

[zain14]

I recently spotted a transaction for $579 on my bank account under shopify. i logged in to the shopify account to check if it was a fraud or if it was a really charged on my account. that’s when I knew that I have been getting charged $579 since last three months that is 1700 or more than $1700. I have been paying for something that I have not been using forever. I need some assistance in getting the amount back. I am a student and it’s very hard to afford lifestyle here in Canada. $1700 is more than my months salary!